﻿// Copyright (c) rubicon IT GmbH, www.rubicon.eu
//
// See the NOTICE file distributed with this work for additional information
// regarding copyright ownership.  rubicon licenses this file to you under 
// the Apache License, Version 2.0 (the "License"); you may not use this 
// file except in compliance with the License.  You may obtain a copy of the 
// License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software 
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the 
// License for the specific language governing permissions and limitations
// under the License.

using System;
using System.Collections.Generic;
using ActiveAttributes.Model;
using ActiveAttributes.Weaving;
using System.Linq;

namespace ActiveAttributes.Discovery
{
  public interface IAspectTypeProvider
  {
    IEnumerable<Type> GetAspectTypes ();
  }

  public class AssemblyLevelDeclarationProvider : IAssemblyLevelDeclarationProvider
  {
    private readonly IAspectBuilder _aspectBuilder;
    private readonly IAspectTypeProvider _aspectTypeProvider;

    public AssemblyLevelDeclarationProvider (IAspectBuilder aspectBuilder, IAspectTypeProvider aspectTypeProvider)
    {
      _aspectBuilder = aspectBuilder;
      _aspectTypeProvider = aspectTypeProvider;
    }

    public IEnumerable<Aspect> GetDeclarations ()
    {
      var aspectTypes = _aspectTypeProvider.GetAspectTypes();
      return aspectTypes.Select (_aspectBuilder.Build);
    }
  }
}